Hiya my husband got bad news a few weeks ago he had bladder cancer through getting a colonoscopy.he’s still waiting on his ct scan and ultrasound which take place in a few days but he’s started having really bad leg cramps paracetamol or ibrofen don’t help he’s awake most of the night we have also tried magnesium oil with no luck . Has anyone else had these symptoms and what did they do or what pain relief helps .